:root {
  --bg: #0f1420;
  --panel: #171d2b;
  --panel-border: #2a3244;
  --text: #e8ecf3;
  --text-dim: #97a1b5;
  --accent: #4f8cff;
  --good: #35c785;
  --warn: #f2b84b;
  --bad: #f2555a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  direction: rtl;
}

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--panel);
  border-left: 1px solid var(--panel-border);
  padding: 20px 12px;
  flex-shrink: 0;
}

.sidebar h1 { font-size: 16px; margin: 0 0 20px; padding: 0 8px; color: var(--accent); }

.sidebar a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-dim);
  text-decoration: none;
  margin-bottom: 4px;
  font-size: 14px;
}
.sidebar a:hover, .sidebar a.active { background: rgba(79,140,255,0.15); color: var(--text); }

.main { flex: 1; padding: 28px 36px; max-width: 1100px; }

h2 { margin-top: 0; font-size: 22px; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin: 18px 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 16px 18px;
}
.card .label { color: var(--text-dim); font-size: 13px; margin-bottom: 6px; }
.card .value { font-size: 28px; font-weight: 600; }
.card .sub { color: var(--text-dim); font-size: 12px; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; margin: 12px 0; background: var(--panel); border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 14px; text-align: right; border-bottom: 1px solid var(--panel-border); font-size: 14px; }
th { color: var(--text-dim); font-weight: 600; background: rgba(255,255,255,0.02); }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.badge.good { background: rgba(53,199,133,0.15); color: var(--good); }
.badge.warn { background: rgba(242,184,75,0.15); color: var(--warn); }
.badge.bad { background: rgba(242,85,90,0.15); color: var(--bad); }

.badge.tier-loss { background: rgba(139,0,0,0.25); color: #ff6b6b; }
.badge.tier-very_weak { background: rgba(242,85,90,0.15); color: var(--bad); }
.badge.tier-weak { background: rgba(242,140,60,0.18); color: #f28c3c; }
.badge.tier-medium { background: rgba(242,184,75,0.18); color: var(--warn); }
.badge.tier-good { background: rgba(140,199,53,0.18); color: #8cc735; }
.badge.tier-great { background: rgba(53,199,133,0.18); color: var(--good); }
.badge.tier-excellent { background: rgba(20,140,90,0.25); color: #14c87a; }

.warning-banner { background: rgba(242,184,75,0.12); border: 1px solid rgba(242,184,75,0.35); color: var(--warn); padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.warning-banner a { color: var(--accent); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn.secondary { background: var(--panel-border); }

form.inline { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-bottom: 16px; }
label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 4px; }
input, select { background: var(--bg); color: var(--text); border: 1px solid var(--panel-border); border-radius: 6px; padding: 8px 10px; font-size: 14px; }

.toast-status { font-size: 13px; color: var(--text-dim); margin-top: 8px; }
.chart-wrap { background: var(--panel); border: 1px solid var(--panel-border); border-radius: 12px; padding: 16px; margin: 18px 0; position: relative; height: 320px; }
.chart-wrap canvas { max-height: 100% !important; }
.flash { background: rgba(53,199,133,0.15); color: var(--good); padding: 10px 16px; border-radius: 8px; margin-bottom: 16px; }
.hint { color: var(--text-dim); font-size: 13px; margin: 6px 0 14px; }